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[texts]Folkscanomy Electronics Articles: Testing Motrons Transmitter Fingerprinter
Folkscanomy Electronics Articles: Testing Motrons Transmitter Fingerprinter
Keywords: repeater; frequency; rigs; audio; transmitter; prints; fingerprints; amateur; discriminator; fingerprint; amateur radio; radio today; audio demod
Downloads: 40
[texts]73 Magazine (November 1990)
73 Magazine November 1990 (#362) The Roll-Up 10-20 Antenna - Just right for portable QRP ...... WV8R 12 Working the World with 2 Milliwatts - The ultimate QRP challenge ...... KI6DQ 14 The FIRE-BALL QRP Rig - 50 milliwatts of pure power ...... WB8ELK 18 The Firecaler Milliwattmeter - Calibrate your mini-QRP rig ...... WB0ESV 22 The Smoke Detector Receiver - Turn the FIRE-BALL into a complete transceiver ........
Keywords: radio; amateur; antenna; mhz; ham; repeater; meter; power; amateur radio; radio today; feedback card; ham radio; power supply; front panel
Downloads: 2,974
[texts]Folkscanomy Electronics Articles: Build The Montreal Fox Controller
Folkscanomy Electronics Articles: Build The Montreal Fox Controller
Keywords: pic; fox; montreal; dip; callsign; switches; circuit; iaru; keying; dip switches; amateur radio; montreal fox; radio today
Downloads: 42
[texts]73 Magazine (April 1996)
73 Magazine April 1996 (#427) 440 Super J-Pole Antenna - Here's a great club project ...... KA0NAN 10 The Hentenna - An easy construction project and a chance to experiment ...... KA0DAQ 14 The Big Loopy Skywire - Cheap and simple, with a bodacious signal ...... NH6XK 18 Easy to Build 10m Beam - The Sun-spots are coming. The Sun-spots are coming ...... N6CJU 20 Johnson Matchbox Renaissance - A flea market winner! Or, build one yourself ........
Keywords: antenna; amateur; radio; meter; mhz; ham; ihe; antennas; frequency; amateur radio; radio today; feedback card; flea market; ham radio; cold fusion; feed point; corner beam
Downloads: 2,034
[texts]73 Magazine (May 1995)
73 Magazine May 1995 (#416) Builder's Guide to the Universe - A beginner's guide to home-brewing ...... WB8VGE 10 Wart Remover - Build this easy module to eliminate unsightly wall parasites from your shack ...... WB8VGE 16 6 Meters-The In-Between Band - Excitement for all license classes ...... WB6NOA 34 A Foolproof Power Controller - Be prepared when the commercial power shuts off ...... KN4HL 40 K4SYU Loop Antenna - A compact, portable HF solution ........
Keywords: radio; ihe; amateur; antenna; mhz; meter; power; noise; ham; swr; amateur radio; radio today; power supply; ham radio; feedback card; case set; swr meter; noise reduction
Downloads: 2,586
[texts]73 Magazine (August 1993)
73 Magazine August 1993 (#395) A Decade of Packet - An anthology of 73 packet radio articles from 1983 to 1993 ...... WA1RZW 10 FM Packet Deviation Meter - Put your packet station on the money for 20 bucks ...... N5OWK 22 Julieboard - An easy-to-build DDS synthesizer for the PC printer port ...... VE3JIL 40 Computer Control for Beam Antennas, Part I - Give your station a smart, new twist ...... K4OND 54 PC Pakratt for Windows - Love at first byte ........
Keywords: radio; amateur; packet; mhz; ham; antenna; digital; power; repeater; amateur radio; radio today; packet radio; ham radio; feedback card; power supply; brian lloyd; morse code
Downloads: 2,626
[texts]73 Magazine (April 1992)
73 Magazine April 1992 (#379) The Arrow Antenna - Hit the bull's-eye with this portable VHF sharp shooter ...... KA0VFF/N0IMW 10 The Plumber's Delight - A new look for the J-pole! ...... KB6EPO 16 The Flower Pot Special - Plant your antenna! ...... N1GPH 18 The Rock Bender QRP Transmitter - Win QSOs and influence crystals ...... WI5W 22 Monoband Yagi for 20 Meters - More dBs for the buck ...... AB4GX 30 The SAM1 Transverter - For the challenge of LF/VLF ........
Keywords: antenna; amateur; mhz; frequency; meter; amateur radio; repeater; radio; feedback card; radio today; call call; matching case; power supply; flea market; ham radio
Downloads: 2,672
[texts]73 Magazine (March 1998)
73 Magazine March 1998 (#450) Truckez-Vous Mon Boat? - Ham friends to the rescue for Voyageur ...... N4UAU 10 Wouldn't You Really Rather Drive A BUIC? - Part 2: software for your interface circuit ...... K8KWD 17 Getting High the Ham Way - Adventures in ATV rocketry ...... KB9MRB 23 High Impedance Analog Volt/Test Meter - Here's a useful gadget to build while you wait for spring! ...... W6WTU 26 Amazin' Hall Tree Vertical - Grab your coat and take your hat ........
Keywords: antenna; radio; amateur; meter; frequency; ham; mhz; power; antennas; amateur radio; radio today; ham radio; web site; power supply; morse code; tte filter; full scale
Downloads: 2,019
[texts]73 Magazine (May 1991)
73 Magazine May 1991 (#368) The Copperhead Keyer Paddle - The perfect touch! ...... KI5AZ 9 The Handy Inductance Bridge - For measuring small coils ...... KB4ZGC 11 The Mini-Keyer - A smaller and newer version of an old friend ...... WB9YBM 14 Covert Hamming - A design for your next secret mission ...... K6BRP 21 Software for the HamShack, Part I - Useful ham calculations you can program yourself! ........
Keywords: radio; amateur; mhz; antenna; ham; frequency; meter; amateur radio; radio today; feedback card; ham radio; power supply; card circle; radio shack; morse code
Downloads: 2,279
[texts]73 Magazine (May 1996)
73 Magazine May 1996 (#428) Build the Bioelectrifier - Heal yourself and take a poke at the medical establishment the same time! ...... WA8YKN 10 Belcher Islands DXpedition - Take off to the Great White North ...... VE3WFS 20 A 220 Super J-Pole Antenna - 220 -Use it or loose it. Here's a simple, inexpensive one-hour building project ...... KA0NAN 26 The Difference Is Dedication - Ham radio Saves four communities ........
Keywords: antenna; radio; amateur; mhz; frequency; power; hams; ham; meter; amateur radio; radio today; feedback card; case set; matching case; power supply; test equipment; flea market
Downloads: 1,969
[texts]73 Magazine (May 1999)
73 Magazine May 1999 (#463) The Card-File 40 - Here's a direct-conversion QRP transceiver you can build ...... KC3ZQ 10 The EZ-BZ Deck Antenna - A compact 20-meter dipole with linear loading and a bend ...... AB2BZ 16 Home-Brewing a 3 kW+ Dummy Load - Corral some Cantennas to check out your big gun amplifier ...... W2CQM 22 Networking with Thevenin and Kirchhoff - Helpful friends when you go into analysis ........
Keywords: radio; amateur; antenna; frequency; mhz; qrp; coax; ham; meter; amateur radio; radio today; zip cord; ham radio; feedback card; web site; dummy load; spectrum analyzer
Downloads: 2,060
[texts]73 Magazine (February 1998)
73 Magazine February 1998 (#449) Wouldn't You Really Rather Drive A BUIC? - The Basic Universal Interface Circuit ties your computer to your rig. Part 1: hardware ...... K8KWD 10 Tutorial and Tester for JFETs - Big learning from a little project ...... W2GOM/7 16 All-Copper 17 Meter X-Beam - A nearby hardware store, a free afternoon ...... WA2UGT 21 Preparing for the Big One - Don't get caught short in a disaster! ........
Keywords: radio; amateur; antenna; ham; circuit; voltage; february; oscillator; frequency; amateur radio; radio today; ham radio; power supply; feedback card; morse code; flag delta; web site
Downloads: 2,030
[texts]73 Magazine (April 1991)
73 Magazine April 1991 (#367) Artificial RF Ground - Maximize your antenna's efficiency ...... KB4ZGC 10 The ESV Mod Quad - Inexpensive performer for any band from 50 through 1296 MHz ...... WB0ESV 14 Collinear for Two Meters - An inexpensive, efficient antenna ...... G3YCC 24 Simple SupeRX - A super-small superhet for 80, 40, or 30m ...... WA6IVC 26 Pocket-Portable Seven-Band Antenna - It's cheap, easy-to-build, and effective ........
Keywords: antenna; radio; amateur; mhz; ham; repeater; wire; meter; frequency; amateur radio; radio today; feedback card; ham radio; power supply; carolina windom; flea market; mod quad
Downloads: 2,577
[texts]73 Magazine (May 1992)
73 Magazine May 1992 (#380) Poor Ham's Dynamic Component Analyzer - Build your own Circuit detective ...... KA1MDA 8 Log Periodic Dipole Array for 2 Meters - Wideband performance in a small package ...... N2KLK 14 QRP Sidetone Companion - And part-time code practice oscillator ...... KI5AZ 18 The Copperback Beetle - A new type of "bug" ...... KI5AZ 20 Battery Watchdog - Keeps your battery up to snuff ........
Keywords: radio; amateur; antenna; mhz; frequency; repeater; call; khz; ham; amateur radio; call call; radio today; ham radio; feedback card; power supply; matching case; morse code
Downloads: 2,328
[texts]73 Magazine (July 1992)
73 Magazine July 1992 (#382) An Indoor or Window-Mounted Vertical Dipole - A floor-to-ceiling antenna for 10-20m ...... W3JIP 8 Six-Band Linear Trap Antenna - Multi-band operation without coils or capacitors ...... KB4ZGC 14 10 Meter DSB Transmitter - Easy to build and no tuning required ...... WA4ADG 18 Calibrated Signal Generator - An accurate RF source from 400 kHz to 33 MHz at the twist of a dial ........
Keywords: mhz; radio; antenna; amateur; ham; ihe; frequency; meter; amateur radio; radio today; ham radio; call call; feedback card; converter adapter; power supply; radio shack
Downloads: 2,334
[texts]73 Magazine (January 1997)
73 Magazine January 1997 (#436) The ScopeMixer - An adventure in ham radio systems integration ...... N6GKC 10 A Flexible Keyer - A weekend of investments: a lifetime of ease ...... W2GOW/7 17 Simple Mods for the Ramsey FX Transceiver Kit - Customize it! ...... N0BLX 24 Build This Receiver Pre-Amplifier - And use just about anything for an antenna ...... W9CHV 26 Rechargeable Batteries - The bottom line ........
Keywords: radio; antenna; voltage; amateur; mhz; ham; power; output; transmitter; amateur radio; radio today; ham radio; power supply; feedback card; radio shack; antennas west; local oscillator
Downloads: 2,058
[texts]73 Magazine (April 1995)
73 Magazine April 1995 (#415) A Practical Weather Satellite Receiving System, Part 2 - Software and interfacing with me PC ...... ZR6UM 10 Build an Intelligent Relay - A quick-to-make microprocessor-based device, controlled by your HT ...... N8LXS 22 The Antenna Elevator - The closest thing to a skyhook ...... WB2DZF 36 Specialized Top-Band OX Receiving Loop - Listen to the action on 160 meters ........
Keywords: antenna; radio; mhz; amateur; frequency; ihe; ham; meter; mfj; amateur radio; radio today; ham radio; pvc pipe; flea market; gray scales; mobile antenna; feedback card
Downloads: 2,818
[texts]73 Magazine (July 1991)
73 Magazine July 1991 (#370) Micro ATV Transmitter - Can the Dick Tracy video wristwatch be far away? ...... KC6CCC 9 Tropo Time Is Now! - Talk thousands of miles on the VHF/UHF bands ...... WB6NOA 14 Antennas by the Yard - HT antennas that realty measure up! ...... WA6TLK 22 The Megaloop - Perfect for megalomaniacs ...... W1GV 29 Lightning Protection - Want some peace of mind? ...... NU1A 32 The Flight of STS-37 - The first "all-ham" crew ........
Keywords: radio; amateur; mhz; antenna; ihe; ham; repeater; atv; frequency; amateur radio; radio today; feedback card; ham radio; power supply; space center; radio club; radio shack
Downloads: 2,265
[texts]73 Magazine (June 1998)
73 Magazine June 1998 (#453) A Pentium-Style Positive and Negative PS - Reading about new technology is great, but using it is even better! ...... N4UAU 10 The Fun Radio - or, wasn't this what attracted you to the hobby in the first place? ...... W6WTU 17 Meet the Marvelous MicroVert - A 20-inch vertical for 20 meters? ...... W4DXV 21 Home-Brew This Power Cube - First step in rebuilding your vintage RF deck ........
Keywords: radio; amateur; ham; antenna; power; mhz; june; frequency; hams; amateur radio; radio today; ham radio; feedback card; web site; air force; power supply; field day
Downloads: 2,268
[texts]73 Magazine (October 1996)
73 Magazine October 1996 (#433) Ultimate Power! - Station power from a dead UPS ...... KF9GQ 10 Colorado QRP Club's Field Day Operation - Field Day the hard way ...... AAOXI 14 440 Yagi Link antenna - Improve your repeater system by building new antennas for about $2 each! ...... KA0NAN 16 A Versitile QRP Random-Wire Antenna Tuner - A quick way to tune up your QRP rig in the field ...... KB4ZGC 19 Operating RS-12 -It's easy ........
Keywords: radio; antenna; amateur; mhz; frequency; power; qrp; ihe; ham; amateur radio; radio today; ham radio; feedback card; power supply; low power; ttucmos input; output power
Downloads: 2,180
[texts]73 Magazine (February 1995)
73 Magazine February 1995 (#413) Dual Bi-Square Loop for HF - Try this easy, low-cost approach on 20 and 2 meters ...... K5DKZ 18 Reading Morse Code on Your PC - Decipher Morse code right off the air, or improve your own fist ...... W6PRO 22 Cheap Dual-Band Yagi - A fine VHF/UHF beam made from old TV antennas ...... KA0NAN 46 Grounding and Lightning Protection, Part 1 - Protect your shack and yourself from lightning ........
Keywords: radio; antenna; amateur; mhz; frequency; ham; meter; antennas; power; amateur radio; radio today; ham radio; feedback card; morse code; output power; matching case; aluminum tubing
Downloads: 2,703
[texts]73 Magazine (February 1997)
73 Magazine February 1997 (#437) Amateur Radio and Linux - Software home-brewing is here! ...... W9IF 10 Elegant Rotating Revisited - An enhanced Beam-aiming circuit ...... W1ZZB 17 Antenna Tuners - Do we really need them? ...... W6YBT 21 The Topbander - A cheap and easy antenna tuner for 160 meters ...... W8ND 23 Build The Turbo Digi-Sniffer - A simple-to-make digital field strength meter ...... AH2HR/5 26 Sumas Mountain High - Building a self-sufficient repeater tower on a British Colombian mo...
Keywords: radio; antenna; amateur; power; circuit; meter; ham; linux; antennas; amateur radio; radio today; power supply; feedback card; gel cell; ham radio; radio shack; morse code
Downloads: 2,457
[texts]73 Magazine (October 1991)
73 Magazine October 1991 (#373) The Sudden Receiver - A simple-to-build receiver for 160-20M ...... G3RJV 8 A 10M Sideband Transmitter - Add voice to your QRP station ...... NZ5G 14 Simple Gain Antenna for 903 MHz - Build it for under $25 ...... AD5X 27 Microprocessor Repeater Controller, Part I - Add versatility to your repeater system ...... WB3ESS 28 Low-Pass Antenna Tuner - Match your antenna while reducing harmonics with this unique design ........
Keywords: radio; amateur; mhz; antenna; repeater; frequency; ham; amateur radio; radio today; ham radio; feedback card; repeater controller; power supply; regular sale; radio shack
Downloads: 2,489
[texts]73 Magazine (February 1991)
73 Magazine February 1991 (#365) Radar Detector to Microwave Receiver Conversion - Listen on 10 GHz cheap ...... WA6EJO 10 UHF Source Dipper - The easy way to tune circuits from 400-500 MHz! ...... WB0ESV 20 UHF Field Strength Meter - For 400 to 500 MHz ...... WB0ESV 24 Future Modulation Amateur Television - Sometimes called frequency modulation ...... W9NTP 32 Take a West Indies DXpedition? - "No Problem, Mon!" ........
Keywords: amateur; radio; mhz; antenna; power; ham; frequency; atv; amateur radio; radio today; feedback card; power supply; ham radio; high power; radar detector; memory channels
Downloads: 1,999
[texts]73 Magazine (April 1997)
73 Magazine April 1997 (#439) The Hale-Bopp Comet and Its Controversial Tale - Buiid the Cosmic Crystal Set and Listen in! ...... WA8YKN 10 TV/VCR Tuner Applications - The first of a three part series ...... W6WTU 18 Build a Colloidal Silver Generator - Do-it-yourself has always been at the heart of hamdom ...... WA8YKN 21 An 8088 Clock Upgrade - Recycle ...... Davis, W7RXV 27 The California Phased Array - Easy to build, easy so use-and even easier on the billfold ........
Keywords: antenna; amateur; radio; ihe; power; ham; qrp; signal; transmitter; amateur radio; radio today; morse code; ham radio; colloidal silver; power supply; power density; feedback card
Downloads: 2,173
[texts]73 Magazine (December 1992)
73 Magazine December 1992 (#387) The Techno-Whizzy 1, Part I - Build a direct digital synthesis (DDS) radio ...... N9JZW 8 The Key to Unlocking the HTX-100 - Improved RIT control ...... AC3L 20 Is 2 Meters Hazardous to Your Health? - How to calculate safety ...... N1II 28 Build a LiTZ Decoder - Touch-tone control your speaker for emergency alerts ...... KA5RZI, N7IOB 30 Iambic Keyer Paddles - A wide array of choices ........
Keywords: radio; amateur; mhz; paddle; ihe; antenna; frequency; ham; digital; amateur radio; radio today; feedback card; power supply; ham radio; contact spacing; radio fun; iambic paddle
Downloads: 3,130
[texts]73 Magazine (March 1996)
73 Magazine March 1996 (#426) JY74X-JY74Z: A Joint Jordanian-Israeli Operation - Our peace process dividend: DXpeditions to Amman and Mt. Nebo, celebrating the first anniversary of the "Washington Declaration" peace accords ...... 4X6KJ-JY8KJ 10 Into Orbit with the Final Phase 3 OSCAR - It's a bird! it's a plane! it's ...... WA5ZIB 16 73's, DX Dynasty Award ...... Staff 26 Simple Secondary Frequency Standard - Stay within your legal frequency ........
Keywords: radio; antenna; amateur; frequency; ham; voltage; mhz; digital; receiver; amateur radio; radio today; feedback card; power supply; matching case; flea market; case set; ham radio
Downloads: 2,095
[texts]73 Magazine (July 1995)
73 Magazine July 1995 (#418) Dish Antenna for Weather Satellite Images - Build your own 5-loot parabolic dish for 1691 MHz ...... WA9PYH 10 A low Noise Amplifier for 1691 MHz - Build this LNA for weather satellite reception ...... WA9PYH 20 Sailing with Ham and Marine Radio Equipment - Carry ham and marine systems aboard without permanent installation ...... WB6NOA 26 2 Meter Collinear Vertical Antenna - Build almost 6dB of gain for almost $10 ........
Keywords: radio; antenna; ham; amateur; mhz; meter; ihe; marine; power; vhf; amateur radio; radio today; feedback card; ham radio; case set; marine vhf; matching case; radio shack
Downloads: 2,133
[texts]73 Magazine (June 1993)
73 Magazine June 1993 (#393) The Ubiquitous Coaxial Connector - Wire up these common connectors the easy way ...... WB2WIK/6 10 Portable Packet Digipeater for Emergency Service - Put together this compact system before disaster strikes ...... K6YDW 16 16 Tips for Using PCB Layout Software - You can do things differently when you design a PCB on your computer ...... N8PTG 28 Building and Using N7APE's NiCd zapper - An update ........
Keywords: amateur; radio; mhz; power; voltage; frequency; ham; antenna; radio today; amateur radio; power supply; simplex repeater; ham radio; card circle; connector body; feedback card
Downloads: 1,986
[texts]73 Magazine (December 1991)
73 Magazine December 1991 (#375) The Simple TX TX - The perfect companion for the SupeRX receiver! ...... WA6IVC 10 Project INSPIRE: A Space Shuttle Experiment - Build a simple receiver to explore the wonders of the 60,000 meter band! ...... KG6EK 22 The QUAG-V - A high performance and wide bandwidth antenna for VHF and UHF ...... WB3AYW 36 Computerized Tuning for Ramsey Receiver Kits - It doesn't have to be expensive ........
Keywords: amateur; radio; mhz; antenna; frequency; ham; repeater; receiver; amateur radio; radio today; power supply; feedback card; ham radio; high speed; call call
Downloads: 3,675
[texts]73 Magazine (June 1997)

Keywords: antenna; radio; amateur; ihe; signal; frequency; voltage; mhz; arc; amateur radio; radio today; ham radio; feedback card; red cross; radio service; fully wired; flea market
Downloads: 2,343
[texts]73 Magazine (July 1997)
73 Magazine July 1997 (#442) ATV is Here to Stay! - Getting started with amateur television ...... W5ACM 10 How to See What You Hear - Warning! This is easy! ...... KC5ODM 14 C-Band low Noise Amplifier - Use discarded satellite receiver parts to soup up your ATV system ...... WD5BQN 19 Video Titlers for ATV - If you're serious about ATV, a video titler is the way to go ...... N5JXO 21 Antennas for Amateur Television, Part 1 - An overview of the most useful ........
Keywords: amateur; radio; antenna; atv; ham; july; antennas; frequency; thai; amateur radio; radio today; ham radio; feedback card; power supply; heat sink; years ago; numerous areas
Downloads: 2,231
[texts]73 Magazine (October 1998)
73 Magazine October 1998 (#457) The Ins and Outs of Surface-Mount - Everything you need to know to get started or get better ...... Davidson 10 The Ideal Log? - This computer-style card file may be for you ...... W6BNB 21 Intro to Superhets - Part 3: Accessories and conclusion ...... W6WTU 26 G'Day, OM! - On the road with the first-ever all-ham RV tour of Australia and New Zealand ...... N5MFG 30 Meeting Your Match - The fine points of understanding matching networks ........
Keywords: radio; amateur; smd; ihe; power; thai; voltage; ham; antenna; amateur radio; radio today; field day; ham radio; duty cycle; power supply; phase shift; web site
Downloads: 2,037
[texts]73 Magazine (August 1996)
73 Magazine August 1996 (#431) Build the QUAD-12 Personal DataLogger ...... N8KDO 10 Vee Antenna With Vertical Tails - A multiband antenna with low-angle radiation for the low bands ...... K0NM 16 PC Controlling Your Rig - All it takes is a few parts and a BASIC program ...... K8KWD 22 Worthy of Recognition: Hap Holly KC9RP - Blindness is a challenge for this versatile, accomplished ham ...... NZ9E 28 Simple Crystal Activity Tester - Check and match crystals for your home-brew projects ........
Keywords: antenna; radio; amateur; frequency; ham; mhz; voltage; circuit; hams; ihe; amateur radio; radio today; matching case; feedback card; ham radio; radio shack; power supply; circuit board
Downloads: 2,056
[texts]73 Magazine (January 1993)
73 Magazine January 1993 (#388) The Techno-Whizzy 1, Part II - Build a direct digital synthesis (DDS) transmitter ...... N9JZW 10 Programmable-Frequency Audio Generator - High accuracy with digital control ...... Redman 16 The SP-1 Transceiver - Build the HF "Spider" ...... WA8TXT 24 Twin Crystal Ladder Filters - Upper or lower sideband filters using inexpensive crystals ...... N2DCH 32 Handi-Beacon - Turn your tape recorder into a beacon controller ........
Keywords: radio; amateur; mhz; antenna; output; power; frequency; repeater; digital; amateur radio; radio today; feedback card; power supply; power mosfet; ham radio; low cost; flea market
Downloads: 3,048
[texts]73 Magazine (October 1994)
73 Magazine October 1994 (#409) Battle of the Monobanders - Iron Mike slugs it out in the CAP arena ...... WB8VGE 10 The Traveler - A sweet home-brew receiver for 80! ...... K5WMS 14 Handy Randy - The tiny tag-along almost random wire tuner for QRP ...... W3RDF 34 Build the Quickie Cheapie Tener - Perhaps the easiest way to get a 1 watt CW rig for the 10 meter band ...... Veronese 36 The Capacity Tuned Folded Loop - A 1/3-wave, 7-foot, 20 meter antenna ........
Keywords: radio; mhz; amateur; antenna; frequency; ham; ihe; qrp; meter; amateur radio; radio today; feedback card; ham radio; case set; packet radio; frequency counter; dual band
Downloads: 2,455
[texts]73 Magazine (November 1997)
73 Magazine November 1997 (#446) How to Design Your Own HF Antenna - No excuses after this ...... VA3ACK 10 Readin', Writin', and Robotin' - Is your high school entered in FIRST? ...... Gray 17 Our Friend Pythagoras - Pop quiz: Who can state the Pythagorean Theorem? ...... N0BLX 19 Electronic Construction from A to Z - Everything you wanted to know about building stuff but were afraid to ask ........
Keywords: radio; amateur; antenna; voltage; thai; ham; power; meter; radio today; amateur radio; power supply; low power; ham radio; load bank; printed circuit; field day
Downloads: 2,719
[texts]73 Magazine (September 1992)
73 Magazine September 1992 (#384) The Raser - A novel wire antenna system ...... W2OZH 8 My Longwire Antenna - Cheap, no-fuss, and it's got gain! ...... NH6XK 18 Wideband RF Baluns - A practical guide to the perfect match ...... K8IHQ 20 NiCd Restorer/Charger - Don't throw old NiCds away! ...... N7APE 24 High Performance 2 Meter Yagi - Improve your signal with this compact design ...... W3HMI 30 Common Audio and Speaker Bus - Control noise pollution chaos ........
Keywords: radio; antenna; amateur; mhz; ihe; ham; repeater; power; amateur radio; radio today; call call; ham radio; feedback card; power supply; antenna tuner; radio shack
Downloads: 2,328
[texts]73 Magazine (November 1999)
73 Magazine November 1999 (#469) Need a UHF Dipper? - Part 2: Coupling to an outside environment ...... W6WTU 10 Planning a DXpedition - Here's what to do if you take Wayne's advice ...... W4DC 14 Why No Beta-Morse? - An amusing way to preserve your Morse code ...... VE2MHZ 18 Building a Better Collins - Add this $1 solid state replacement part to your 30S1 ...... W2CQM 19 Isotron Notes - Simple tips straight from the Hart ........
Keywords: radio; amateur; loop; antenna; power; mhz; kit; thai; battery; amateur radio; radio today; sense loop; feedback card; morse code; ham radio; high power; web site; spread spectrum
Downloads: 2,888
[texts]73 Magazine (February 1996)
73 Magazine February 1996 (#425) Satellites, Weather Imagery, and Sunrayce '95 - There's an Indiana Jones in each of us ...... K8WPI 10 Souping Up a Surplus field Strength Meter - Increase the sensitivity of your ME-61/GRC field strength meter ...... AD5X 18 Microwaving on Monument Peak - The story behind our cover photo ...... WB6IGP 20 A Mobile Power Panel - Protect your vehicle and your rig ........
Keywords: radio; amateur; power; antenna; ihe; meter; mhz; ham; thai; amateur radio; radio today; feedback card; circuit board; power supply; cold fusion; ham radio; power output
Downloads: 2,169
[texts]73 Magazine (July 1996)
73 Magazine July 1996 (#430) Ham Shack Test Equipment - What you really need, based on the authors 47 years of experience ...... KB4ZGC 10 Garbage In-No Garbage Out - Turn hardware store purchases into a cavity filter for satellite and 2m reception ...... AA6NG 12 A Funny Thing Happened On The Way To The Shack - Strange stories from the world of hamdom! ...... W3UWH 16 Receiver Pre-Amplifiers - The pros and cons of these little signal boosters ........
Keywords: radio; amateur; antenna; mhz; ham; repeater; signal; frequency; radio today; amateur radio; spread spectrum; matching case; case set; morse code; power supply; ham radio
Downloads: 2,099
[texts]73 Magazine (September 1999)
73 Magazine September 1999 (#467) PIC Key, PIC Key - This simple CW keyer is a great way to learn about PICs ...... UY5DJ 10 Y2K Portable J-Pole - What emergency will you need to handle? ...... WA8TXT 16 Defogging Microstrips - An intro to microstripline filters ...... WA9PYH 19 Secrets of Transmission Lines - Part 2: Review of AC fundamentals ...... KE2QJ 26 Getting Your Foot in the Public Service Door - Here's how to get your club invoIved -and appreciated ........
Keywords: radio; amateur; frequency; antenna; mhz; receiver; kit; audio; power; amateur radio; radio today; web site; signal generator; feedback card; sound card; low power; delay constant
Downloads: 2,239
[texts]73 Magazine (April 2000)
73 Magazine April 2000 (#473) Morse Code -The Once and Future Mode - Will you outlive it -or vice versa? ...... N1FN 10 The Long-Lost Art of Conversational CW - Banging away for long chats can be fun -if you know what to say ...... WF6P 18 Make Copies of This Article - Then drop them off at your local school(s) ...... W8DYF 20 The Finger - Here's a positive way to respond when someone gives it to you ........
Keywords: radio; amateur; antenna; morse; april; ham; kit; mhz; ardf; amateur radio; radio today; morse code; ham radio; web site; high power; heavy duty; radio book; book shop
Downloads: 2,465
[texts]73 Magazine (March 1992)
73 Magazine March 1992 (#378) Build a GaAsFET Preamp Sequencer - Mast-mount your preamp for maximum performance ...... WZ1V 8 Simple Pulsed Crystal Signal Source - Find the right frequency ...... KA1MJP 14 An ATV Downconverter with a Difference - Keep FM voice repeaters out of your picture ...... W9NTP 22 Using RS-12 - Work the world with this unique satellite ...... G3IOR 32 40/80 Meter Wave Ryder - A QRP tube transmitter powered by 12 volts DC ........
Keywords: mhz; radio; amateur; antenna; frequency; signal; power; ham; amateur radio; radio today; feedback card; ham radio; power supply; amateur satellite; matching case; field strength
Downloads: 2,132
[texts]73 Magazine (October 1997)
73 Magazine October 1997 (#445) Surface Mount Devices - Everything you didn't want to -but should -know ...... W6WTU 10 El Cheapo - Rub shoulders with the big boys on 20 meters, without shelling out megabucks! ...... 4X1MK 15 APRS Network Guidelines - 20 tips for increasing efficiency ...... W9IF 19 Phased Trapped Verticals for HF - Simple ideas, simple to build ...... KD7FY 21 Simple Signal Injector/Tracer - Troubleshooting made easy ........
Keywords: radio; amateur; antenna; ham; signal; mhz; power; solder; digital; amateur radio; radio today; feedback card; ham radio; pet ham; local loop; power supply; morse code
Downloads: 2,190
[texts]73 Magazine (April 1998)
73 Magazine April 1998 (#451) De-Noising your PC - Cure the transmitter in your PC ...... WA9PYH 11 Modifying Your Ramsey Transceiver Kit - One stop closer to the ultimate ham experience ...... N0BLX 18 Out of Sight, Out of Mind - Discretion is the better part of neighborhood amity. Part 2: Hardware ...... WB4BNU 20 Techno-Trouble for Know-It-Alls - How many of these 50 questions can you answer correctly? ........
Keywords: antenna; radio; amateur; voltage; mhz; frequency; output; loop; power; amateur radio; radio today; feedback card; power supply; output voltage; flea market; single point; web site
Downloads: 2,046
[texts]73 Magazine (February 1994)
73 Magazine February 1994 (#401) VHF Meteor Scatter Propagation - Bounce your signal beyond the horizon ...... WB2WIK/6 10 Using the World's Most Accurate Frequency Standard, Part 2 - Building a digital phase comparator ...... K9EUI 18 Computer Control for Your Direct Digital Synthesis (DDS) VFO - Free yourself of the hassles of generating an accurate and stable sinusoidal signal-and more! ...... VE1ABC 26 ASCII-to-Morse-Code Interface - Let your keyboard do the work ........
Keywords: radio; amateur; frequency; mhz; antenna; power; meter; ham; amateur radio; radio today; ham radio; power supply; feedback card; case set; matching case; meteor scatter
Downloads: 3,252
[texts]73 Magazine (October 1992)
73 Magazine October 1992 (#385) Packet on the Mac - Connect with the world without a TNC ...... KD6CMT 8 A 2 Meter FET Amplifier for Your Handheld - Build this simple, inexpensive amplifier ...... AA4AW 20 A New Look at Loop Antennas - Adding regeneration to ferrite-core and open-wire box loops ...... W2IMB 28 Baby Loopy - A half-wave, inductively-loaded loop ...... NH6XK 34 Noise Reduction Using Broadband Active Whip Antennas - Clear reception for the VLF/LF bands ........
Keywords: radio; amateur; antenna; mhz; ihe; packet; ham; power; meter; amateur radio; radio today; feedback card; packet radio; ham radio; power supply; circuit board; serial port
Downloads: 3,672
[texts]73 Magazine (April 1993)
73 Magazine April 1993 (#391) Mini-Quad Loops - Three-fifths-size loops with full-size performance ...... NH6XK 10 Copper Dual-Band Super J-Pole Antenna - Build it in less than an hour ...... KA0NAN 12 HR2510 Hi-Power Modrtication - Increase the performance of this popular HF rig ...... Merrill 17 10 Meter X-Beam - Upgrade your antenna as well as your license ...... N5SJZ 18 Lightweight, Collapsible Quad for 2 Meters - Excellent performance in a small package ........
Keywords: radio; amateur; antenna; mhz; ham; frequency; tor; amateur radio; radio today; ham radio; packet radio; flea market; surface mount; card circle; matching case
Downloads: 2,505
[texts]Folkscanomy Electronics Articles: The FOXBOX
Folkscanomy Electronics Articles: The FOXBOX
Keywords: foxbox; timer; ptt; circuit; radio; amateur; circuits; packet; keying; amateur radio; radio today; packet radio; heart association; american heart; radio shack; interface cable
Downloads: 59
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